summaryrefslogtreecommitdiffstats
path: root/target/linux/ar71xx/patches-3.7/901-mdio_bitbang_ignore_ta_value.patch
blob: 39584aabfae67f095ce51a8b956af27c8f9a52f1 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
--- a/drivers/net/phy/mdio-bitbang.c
+++ b/drivers/net/phy/mdio-bitbang.c
@@ -165,16 +165,7 @@ static int mdiobb_read(struct mii_bus *b
 
 	ctrl->ops->set_mdio_dir(ctrl, 0);
 
-	/* check the turnaround bit: the PHY should be driving it to zero */
-	if (mdiobb_get_bit(ctrl) != 0) {
-		/* PHY didn't drive TA low -- flush any bits it
-		 * may be trying to send.
-		 */
-		for (i = 0; i < 32; i++)
-			mdiobb_get_bit(ctrl);
-
-		return 0xffff;
-	}
+	mdiobb_get_bit(ctrl);
 
 	ret = mdiobb_get_num(ctrl, 16);
 	mdiobb_get_bit(ctrl);